WO1999013785A1 - Direct pericardial access device with deflecting mechanism and method - Google Patents
Direct pericardial access device with deflecting mechanism and method Download PDFInfo
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- WO1999013785A1 WO1999013785A1 PCT/US1998/019591 US9819591W WO9913785A1 WO 1999013785 A1 WO1999013785 A1 WO 1999013785A1 US 9819591 W US9819591 W US 9819591W WO 9913785 A1 WO9913785 A1 WO 9913785A1
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- WIPO (PCT)
- Prior art keywords
- guide tube
- pericardial
- access device
- penetrating
- lumen
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3468—Trocars; Puncturing needles for implanting or removing devices, e.g. prostheses, implants, seeds, wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3478—Endoscopic needles, e.g. for infusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
- A61B2017/00243—Type of minimally invasive operation cardiac
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
- A61B2017/00243—Type of minimally invasive operation cardiac
- A61B2017/00247—Making holes in the wall of the heart, e.g. laser Myocardial revascularization
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/30—Surgical pincettes without pivotal connections
- A61B2017/306—Surgical pincettes without pivotal connections holding by means of suction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B2017/348—Means for supporting the trocar against the body or retaining the trocar inside the body
- A61B2017/3482—Means for supporting the trocar against the body or retaining the trocar inside the body inside
- A61B2017/3484—Anchoring means, e.g. spreading-out umbrella-like structure
- A61B2017/3488—Fixation to inner organ or inner body tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00345—Vascular system
- A61B2018/00351—Heart
- A61B2018/00392—Transmyocardial revascularisation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0082—Catheter tip comprising a tool
- A61M25/0084—Catheter tip comprising a tool being one or more injection needles
- A61M2025/0089—Single injection needle protruding axially, i.e. along the longitudinal axis of the catheter, from the distal tip
- A61M2025/009—Single injection needle protruding axially, i.e. along the longitudinal axis of the catheter, from the distal tip the needle having a bent tip, i.e. the needle distal tip is angled in relation to the longitudinal axis of the catheter
Definitions
- the present disclosure is directed to minimally invasive cardiac procedures. More specifically, the disclosure provides a device and method for accurate local access to the pericardial space with reduced risk of injury to the myocardium and associated coronary vessels.
- pericardium (pericardial sac) dates back to the time of Galen (129-200 A.D.) the Greek physician and anatomist who created the term "pericardium.”
- the pericardium (pericardial sac) is a conical membranous sac in which the heart and the commencement of the great vessels are contained. Gray's Anatomy (1977 ed.) pp. 457-460.
- the pericardium is fluid-filled and functions to prevent dilation of the chambers of the heart, lubricates the surfaces of the heart, and maintains the heart in a fixed geometric position. It also provides a barrier to the spread of infection from adjacent structures in the chest cavity and prevents surrounding tissue(s) from adhering to the heart.
- the space between the pericardium and the heart is normally small in volume and includes the fluid therein. It has been reported by others that when fluid is injected into the pericardial space it accumulates in the atrioventricular and interventricular grooves, but not over the ventricular surfaces. See, Shabetai R, "Pericardial and Cardiac Pressure,” in Circulation, 77: 1 (1988).
- Pericardiocentesis or puncture of the pericardium, heretofore has been performed for: 1) diagnosis of pericardial disease(s) by study of the pericardial fluid; 2) withdrawal of pericardial fluid for the treatment of acute cardiac tamponade; and 3) infusion of therapeutic agents for the treatment of malignant effusion or tumors.
- intrapericardial injection of drugs is clinically limited to the treatment of abnormal pericardial conditions and diseases, such as malignant or loculated pericardial effusions and tumors.
- Drugs that have been injected into the pericardial space include antibiotic (sclerosing) agents, such as tetracycline and bleomycin or fibrinolytic agents such as streptokinase.
- Intrapericardial drug delivery has not been clinically utilized for heart-specific treatments where pericardial pathology is normal, because the pericardial space is normally small and very difficult to access without invasive surgery or risk of cardiac injury by standard needle pericardiocentesis techniques.
- pericardiocentesis procedures are carried out by highly specialized, personnel in the cardiac catheterization laboratory of medical facilities, assisted by fluoroscopy and electrocardiogram monitoring equipment.
- Electrocardiographic monitoring of pericardiocentesis, using the pericardial needle as an electrode is commonly employed, as disclosed in Bishop L.H., et al., "The Electrocardiogram as a Safeguard in Pericardiocentesis,” in JMA, 162:264 (1956), and Neill J.R., et al., "A Pericardiocentesis Electrode,” in The New England Journal of Medicine, 264:711 (1961); Gotsman M.S., et al. "A Pericardiocentesis Electrode Needle,” in Br.
- needle pericardiocentesis there are complications associated with needle pericardiocentesis. These complications include laceration of a coronary artery or the right ventricle, perforation of the right atrium or ventricle, puncture of the stomach or colon, pneumothorax, arrhythmia, tamponade, hypertension, ventricular fibrillation, and death. Complication rates for needle pericardiocentesis are increased in situations where the pericardial space and fluid effusion volume is small (i.e., the pericardial size is more like normal and not abnormally distended by the accumulation of fluid, e.g., blood).
- U.S. Patent No. 5,071,428 discloses a method and apparatus for accessing the pericardial space for the insertion of implantable defibrillation leads. This method requires gripping the pericardium with a forceps device and cutting the pericardium with a scalpel (pericardiotomy) under direct vision through a subxiphoid surgical incision.
- U.S. Patent No. 4,991,578 discloses an apparatus for accessing the pericardial space for placement of defibrillation electrodes.
- the apparatus disclosed uses suction to "pull" the pericardium against a perforating needle housed in an outer catheter, thus impaling the pericardium on the needle (col. 15, lines 54-57).
- One of the stated problems with the apparatus is loss of suction. Col. 15, lines 4-5.
- a solution to the loss of suction proposed in the patent is to apply suction to pull the pericardium into the lumen of the catheter, apply a wire suture to stabilize the catheter tip and subsequently advance a piercing needle into the pericardium sutured to the catheter.
- the added step of suturing in this method is undesirable.
- Another method for intrapericardial injection of agents is performed by a device, available under the name PerDUCERTM pericardial access device, available from Comedicus Incorporated, 3839 Central Avenue, NE, Columbia
- This device uses suction to create a lifted section of the pericardium, known as a "bleb."
- the bleb is secured to an elongate access device by a vacuum force exerted through a side wall port that is in a plane substantially parallel to the longitudinal access of the device.
- the bleb is punctured by a needle of limited travel that penetrates the bleb in a direction tangential to the epicardial surface of the heart.
- the present invention provides a device and method for access to the pericardial space without injury to the heart, in order to aspirate fluids directly from or to directly deliver fluids, i.e., therapeutic drugs, to the heart muscle or associated vasculature.
- fluids i.e., therapeutic drugs
- pericardium pericardial sac
- side affects associated with drug delivery by conventional administration methods, i.e., oral or injection can be reduced, such that lesser dosages are needed to achieve the desired effect of a specific drug.
- the present method for direct delivery of a drug provides for a wider range of drugs to be used.
- a pericardial access device includes a penetrating body having a piercing distal tip.
- the penetrating body is axially mobile within the lumen of a guide tube.
- the guide tube has a proximal end for handling and operating the pericardial access device.
- the distal end of the guide tube has a distal port opening into the lumen of the guide tube.
- Within the distal end of the guide tube there is also a deflecting mechanism for deflecting the penetrating end of the penetrating body as it is advanced towards the distal port of the device.
- the deflecting mechanism is a deflecting wedge.
- the deflecting mechanism is a deflecting tube.
- a suction or aspiration force is applied to the lumen of the guide tube to form a bleb of pericardial tissue in the distal lumen of the guide tube.
- the suction draws the bleb of pericardium into the distal port of the guide tube near the deflecting mechanism.
- the deflecting mechanism deflects the penetrating end such that the piercing tip of the penetrating body enters the bleb at an angle oblique to the longitudinal axis of the guide tube.
- a guide wire is passed through the lumen of the penetrating body and into the pericardial space.
- the guide tube and penetrating body are removed and a material transport tube is passed over the guidewire into the pericardial space for removal of fluid or delivery of materials therein.
- the handle region can include a vacuum inlet assembly for connecting an aspiration source to the device.
- the handle region can include a limiting mechanism for limiting the distal mobility of the penetrating body.
- a pericardial access device can include an exterior sheath having a reversibly sealed distal end to prevent fat, facia or other material from entering the distal end of the pericardial access device during placement. The invention also provides a method for using a pericardial access device for accessing the pericardial space.
- FIG. 1 is a longitudinal section of a distal end of a device for accessing the pericardial space that is outside the scope of the present invention.
- FIG. 2 is a longitudinal section of an embodiment of a pericardial access device of the invention.
- FIG. 3 is a longitudinal section of a first embodiment of a distal end of a pericardial access device of the invention.
- FIG. 4 is a longitudinal section of the distal end of a pericardial access device of the invention (omitting a deflecting mechanism for clarity) illustrating various axes of components of the device and an oblique angle of the penetrating body relative to a pericardial bleb.
- FIG. 5 is a profile view of a penetrating body of the invention with the penetrating end deflected at an angle oblique to the longitudinal axis of the penetrating body.
- FIG. 6 is a longitudinal section of a second embodiment of a distal end of a pericardial access device of the invention.
- FIG. 7 is a longitudinal section of the distal end of a pericardial access device enclosed in an exterior sheath with a reversibly sealed cap.
- FIG. 8 is a longitudinal section of the distal end of a pericardial access device enclosed in an exterior sheath with a reversibly sealed multi-flap hatch.
- FIG. 9 is a distal end view of the reversibly sealed multi-flap hatch of
- FIG. 10 is a longitudinal section of a third embodiment of a distal end of a pericardial access device of the invention.
- a pericardial access device provides accurate local access to the pericardial space of a human or animal patient for introduction of a material therein, with a low risk of myocardial injury during access.
- a material transport tube e.g., a catheter
- the term "material” refers to any material that can be introduced into the pericardial space through the material transport tube including gasses, liquids or solids.
- Materials include pharmaceutical agents such as vasodilators, antiplatelets, anticoagulants, thrombolytics, anti-inflammatories, antibiotics, fibrinolytics, antiarrhythmics, inotropics, antimitotics, angiogenics, antiatherogenics, etc.
- “Material” also includes heated or cooled fluids (e.g., ice water), flowable powders, controlled drug release implants, or other solid material which can pass through a material transport tube including, for example, implantable electrical leads.
- FIG. 1 One problem with some prior systems for accessing the pericardial space using suction is illustrated in FIG. 1. As shown, when tube 1 contacts the pericardium 2 and suction (arrows) is applied to the lumen 3 of the tube 1, a bleb of pericardium 4 is formed within lumen 3. As a piercing instrument 5 such as a needle, is distally advanced to pierce the bleb 4 the bleb 4 can be pushed away from the distal end 6 of tube 1 allowing air to rush in at, for example, arrow 7, thus breaking the vacuum seal which can result in tearing or non-penetration of the pericardium.
- a piercing instrument 5 such as a needle
- the present invention overcomes problems with prior art devices by penetrating the bleb with a penetrating body that penetrates the bleb at an angle that is oblique to the longitudinal axis of the guide tube.
- the angle of penetration of the bleb is also oblique to the plane of the distal port opening of the guide tube.
- the device 10 has a distal end 11 including a penetrating body 12 that is axially mobile within lumen 13 of guide tube 14.
- the device 10 has a proximal end 15, which includes a handle region 16 for handling and operating the device during use.
- the handle region 16 can include a vacuum inlet assembly 17 and a guide wire port 18 for passing a guide wire 19 through the lumen 20 of penetrating body 12.
- the vacuum inlet assembly 17 need not be located in the proximal end of the device but can be located anywhere that will permit a suction force to be applied to the distal end 11 of lumen 13 of the guide tube 14.
- the vacuum inlet assembly 17 includes a suction channel 21 having a distal end 22 that is in fluid communication with guide tube lumen 13.
- the proximal end 23 of the vacuum inlet assembly 17 includes a connector 24, such as a luer lock for connecting a suction source (not shown) to device 10.
- the device 10 also includes a sealing mechanism 25, such as a gasket, at a point proximal to the vacuum channel 21 which, when a suction force is applied to the guide tube lumen 13, permits axial movement of penetrating body 12 without loss of suction to the guide tube lumen 13 when the penetrating body 12 is moved.
- FIG. 3 is a longitudinal section view of one embodiment of a distal end 11 of a pericardial access device 10 according to the invention.
- a guide tube 14 of the invention can be prepared from plastic, stainless steel, titanium, titanium alloy, ceramic or other material suitable for the herein below described function of a guide tube.
- guide tube 14 includes a distal tip 26 where guide tube lumen 13 opens to the exterior through a distal port 27.
- the distal port 27 is in a plane that is perpendicular to the longitudinal axis of the guide tube lumen 13 (Y-Y of FIG. 4).
- the outside diameter D 0 of guide tube 14 can be about 3 mm to 12 mm, typically about 6 mm to 8 mm.
- the diameter D, of the guide tube lumen 13 can be about 2 mm to 11 mm.
- FIG. 5 is a profile view of a penetrating body 12, removed from guide tube 14 (not shown in FIG. 5).
- the penetrating body 12 is an elongate body having a distal penetrating end 35 with a sharp piercing tip 36 for penetrating the pericardium.
- the diameter of the penetrating body 12 should provide for axial mobility within the guide tube lumen 13.
- the inside diameter of the guide tube lumen should allow for passage of guide wire 19.
- the guide wire diameter can be about .2 mm to .8 mm.
- the penetrating end 35 of the penetrating body 12 is deflected to have an oblique angle ( ⁇ ) for penetrating a pericardial bleb.
- a proximal end 37 of the penetrating body 12 extends to the handle region 16 (FIG. 2).
- a proximal end opening 39, or guide wire port 18, (FIG 2), provides access to lumen 20 which passes through penetrating body 12.
- the lumen 20 opens distally at piercing tip 36 such that lumen 20 provides a channel for passing guide wire 19 (FIG. 2) from guide wire port 18 through the penetrating body and out the piercing end into the pericardial space.
- FIG. 4 illustrates the various axes of the penetrating body relative to the guide tube axis Y-Y.
- the penetrating body 12 has a longitudinal axis X-X parallel to the longitudinal axis Y-Y of guide tube 14.
- the penetrating body 12 also has a second axis or "penetrating axis" P-P.
- the penetrating axis P-P is at an angle ⁇ relative to longitudinal axes X-X and Y-Y and is an axis through which the piercing tip 36 of penetrating body 3 penetrates a bleb 50 (described below) formed in the guide tube lumen 13.
- angle ⁇ is generally about 20° to 80°, typically about 30° to 60°, in some embodiments, ⁇ is about 45°.
- a suction force (arrow A) is applied to lumen 13 of guide tube 14 to form bleb 50.
- a "bleb” refers to the parietal pericardial tissue 51 which is drawn into the lumen 13 of guide tube 14 through distal port 27 when suction is applied to lumen 13.
- the penetrating body 12 is distally advanced (arrow B) towards bleb 50.
- a deflecting mechanism 40 deflects the penetrating end 35 of penetrating body 12 to angle ⁇ causing the piercing tip 36 to penetrate the bleb 50 along axis P-P.
- penetrating axis P-P of the penetrating body 12 has the same angular relationship ⁇ to the longitudinal axis of the penetrating body X-X, guide tube Y-Y and the direction of suction flow (arrows A).
- Angle ⁇ is about 20° to 80°, typically about 30° to 60°, and, in some embodiments, about 45°.
- the penetrating body 12 can be prepared from any material that can resist deformation when functioning to pierce the pericardium.
- the material of the penetrating body, at least at the penetrating end, should be able to be deflected by the deflecting mechanism to angle ⁇ .
- Suitable materials for a penetrating body include, for example, stainless steel, titanium, titanium alloys (e.g., Ni-Ti), etc.
- FIG. 3 illustrates one embodiment of a deflecting mechanism 40 for deflecting the penetrating end 35 of a penetrating body 12.
- the distal end of a wall 41 of guide tube 13 is constructed to include a deflecting wedge 42 to deflect penetrating end 35 to angle ⁇ .
- the base 43 of the deflecting wedge preferably does not extend completely to distal opening 27 to allow for formation of a suitable bleb 50.
- a linear penetrating body 12 is advanced distally in the guide tube lumen 13. As the penetrating end 35 moves distally past deflecting mechanism 40, the penetrating end 35 is deflected to form axis P-P through which piercing tip 36 penetrates bleb 50.
- Axis P-P is at an angle ⁇ oblique to the longitudinal axis Y-Y of guide tube 14. It will be appreciated that axis P-P also forms an angle ⁇ relative to axis X-X of penetrating body 12 that is proximal to the deflecting mechanism 40.
- FIG. 6 illustrates the distal end 11 of another embodiment of an access device 10 of the invention.
- the deflecting mechanism 40 includes a deflecting tube 65 mounted within lumen 13 of guide tube 14.
- the deflecting tube 65 has a distal tip 69 and a lumen 66 through which penetrating body 12 can pass from the proximal end (not shown) to the distal opening 67 at distal tip 69.
- the proximal end of the deflecting tube need not extend to the proximal end 15 of the device.
- the deflecting tube 65 includes a deflecting tube end 68 that is configured at an oblique angle ⁇ relative to axis Y-Y of guide tube 14.
- the angle ⁇ of deflecting end 68, relative to guide tube axis Y-Y is about 20°-80° typically about 30°-60°, and, in some embodiments, about 45°.
- the deflecting end 68 deflects the penetrating end 35 of penetrating body 12 to form piercing axis P-P, the axis through which piercing tip 36 penetrates bleb 50.
- the distal tip 69 of deflecting tube 65 does not extend to the distal tip 26 of guide tube 14. Rather, the distal tip 69 stops proximal to the guide tube distal tip 26 to allow for formation of a suitable pericardial bleb 50 in the distal end 1 1 of lumen 13.
- FIG. 10 illustrates a further embodiment of a device of the invention.
- the distal end 11 of guide tube 14 includes a deflecting mechanism 40, and further includes an axial projection 70 or shoulder 71 at distal tip 26, near distal port 27.
- the diameter D 2 of guide tube lumen 13 is narrowed by the axial projection 70.
- the axial projection has a longitudinal dimension D 3 and an axial dimension D 4 .
- the longitudinal dimension D 3 and axial dimension D 4 of shoulder 71 determines the aspect ratio at the distal end of lumen 13.
- “aspect ratio” is the ratio of the hole diameter to cylinder length (i.e., D 2 :D 3 ).
- the hole diameter D 2 should be greater than the cylinder length, i.e., D 2 >D 3 .
- the aspect ratio is generally, at least 1 :1, typically greater than about 2:1, preferably greater than 4:1.
- the shoulder 71 can be continuous around the circumference of lumen 13 or intermittent.
- intermittent refers to a shoulder that has gaps around the circumference of the lumen but still functions to buttress the bleb as described above. It will be appreciated that other shoulder constructions that are not illustrated here but which provide the described function are within the scope of the present invention. Alternative embodiments of shoulder configurations are disclosed in copending U.S. Serial No. 08/933,858 (M&G Docket No. 3989.91-US-Ol) the entire disclosure of which is incorporated by reference herein.
- the axial travel of penetrating body 12 within guide tube lumen 13 is limited to prevent piercing tip 36 from traveling distally beyond distal port 27 of guide tube 14 which could result in penetration of the myocardium.
- the distal travel of penetrating 12 body is stopped before extending beyond distal tip 26 of guide tube 14.
- a limiting mechanism 55 is located in the handle region 16 of the device 10. As shown in FIG. 2, the limiting mechanism 55 can include a collar 56 attached to the proximal end of penetrating body 12. Distal travel of penetrating body 12 is stopped when collar 56 contacts the proximal aspect 57 of vacuum inlet assembly 17.
- collar 56 is fixed to sleeve 52 which provides a grip for rotating or moving the penetrating body 12 axially.
- a limiting mechanism can be located in the distal aspect of the guide tube to provide for limiting the axial travel of the penetrating body.
- an incision of sufficient size for passage of guide tube is made in the thoracic wall, for example in the subxiphoid region, using known methods.
- a second incision can be made for insertion of an endoscope into the thoracic cavity for visualization of the access procedure.
- the access procedure can be visualized with the aid of known external visualization systems such as fluoroscopy, ultrasound, etc.
- the device is advanced percutaneously through the first incision over the diaphragm into the mediastinal space until the distal end of the device contacts the pericardial surface of the heart.
- the device is aligned at a desired location on the pericardial surface of the heart and suction is applied to the guide tube lumen to form a bleb of pericardial tissue through the distal port within the guide tube lumen.
- the piercing tip of the penetrating body is advanced distally to pierce the bleb.
- a guidewire is then passed through the guidewire port, through the lumen of the penetrating body and into the pericardial space.
- the device is removed and a catheter or other known material transport tube is passed over the guidewire into the pericardial space.
- the guidewire can be removed during fluid removal or administration of the desired material into the pericardial space.
- a proximal end of the material transport tube can be fixed outside the patient's body, using known methods, for long or short term access to the pericardial space through the material transport tube.
- a pericardial access device can be freely advanced through the skin incision to the pericardial surface of the heart for accessing the pericardial space.
- an introducer or cannula can be passed through the skin incision to the pericardial surface and the pericardial access device passed through the introducer to the pericardial surface.
- the pericardial access device 10 can be passed to the pericardial surface within an exterior sheath 60 having a reversibly sealed distal end 61.
- the distal end 61 of the exterior sheath 60 is reversibly sealed with a removable cap 62.
- the cap 62 is securely attached to the sheath 60 by a base 63.
- the removable cap 62 can be forced open by distal advancement of the device 10 within sheath 60.
- the distal end 61 of sheath 60 can be reversibly sealed by a multi-flap hatch 64.
- Distal advancement of the access device 10 opens the multi-flap hatch 64 distally to allow exteriorization of the distal tip 26 of the device 10. Therefore, according to this embodiment, the exterior sheath 60, including the pericardial access device 10, is passed through the skin incision to a position near, but not contacting, the pericardial surface.
- guide tube 14 of the device 10 is distally advanced to open the cap 62, or the multi-flap hatch 64, allowing the distal tip 26 of the guide tube 14 to contact the pericardial surface at the desired location for placement of the material tube.
- the exterior sheath can function to prevent fat, facia or other material from traveling retrograde into the lumen of the guide tube during placement.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU94944/98A AU9494498A (en) | 1997-09-19 | 1998-09-18 | Direct pericardial access device with deflecting mechanism and method |
EP98948354A EP1014871A4 (en) | 1997-09-19 | 1998-09-18 | Direct pericardial access device with deflecting mechanism and method |
JP2000511419A JP2001516612A (en) | 1997-09-19 | 1998-09-18 | Direct pericardium access device and method with deflection mechanism |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/934,045 US5972013A (en) | 1997-09-19 | 1997-09-19 | Direct pericardial access device with deflecting mechanism and method |
US08/934,045 | 1997-09-19 |
Publications (1)
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WO1999013785A1 true WO1999013785A1 (en) | 1999-03-25 |
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ID=25464870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/US1998/019591 WO1999013785A1 (en) | 1997-09-19 | 1998-09-18 | Direct pericardial access device with deflecting mechanism and method |
Country Status (5)
Country | Link |
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US (1) | US5972013A (en) |
EP (1) | EP1014871A4 (en) |
JP (1) | JP2001516612A (en) |
AU (1) | AU9494498A (en) |
WO (1) | WO1999013785A1 (en) |
Cited By (13)
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US6569082B1 (en) | 1999-08-10 | 2003-05-27 | Origin Medsystems, Inc. | Apparatus and methods for cardiac restraint |
US6685672B1 (en) | 2000-07-13 | 2004-02-03 | Edwards Lifesciences Corporation | Multi-balloon drug delivery catheter for angiogenesis |
US6692458B2 (en) | 2000-12-19 | 2004-02-17 | Edwards Lifesciences Corporation | Intra-pericardial drug delivery device with multiple balloons and method for angiogenesis |
EP1176914B1 (en) * | 1999-05-07 | 2006-01-04 | Boston Scientific Limited | Injection array apparatus |
WO2008071367A1 (en) * | 2006-12-10 | 2008-06-19 | Philipps-Universität Marburg | Method and device for fixing and/or manipulating tissue |
WO2010002604A1 (en) * | 2008-07-03 | 2010-01-07 | Abbott Cardiovascular Systems Inc. | Needle catheter with an angled distal tip lumen |
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- 1998-09-18 JP JP2000511419A patent/JP2001516612A/en active Pending
- 1998-09-18 WO PCT/US1998/019591 patent/WO1999013785A1/en active Application Filing
- 1998-09-18 AU AU94944/98A patent/AU9494498A/en not_active Abandoned
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EP1176914B1 (en) * | 1999-05-07 | 2006-01-04 | Boston Scientific Limited | Injection array apparatus |
US6569082B1 (en) | 1999-08-10 | 2003-05-27 | Origin Medsystems, Inc. | Apparatus and methods for cardiac restraint |
US7846085B2 (en) | 1999-08-13 | 2010-12-07 | Boston Scientific Scimed, Inc. | Kit for forming implants in wall of gastrointestinal tract |
US6685672B1 (en) | 2000-07-13 | 2004-02-03 | Edwards Lifesciences Corporation | Multi-balloon drug delivery catheter for angiogenesis |
US6997898B2 (en) | 2000-07-13 | 2006-02-14 | Edwards Lifesciences Corporation | Multi-balloon drug delivery catheter for angiogenesis |
US6692458B2 (en) | 2000-12-19 | 2004-02-17 | Edwards Lifesciences Corporation | Intra-pericardial drug delivery device with multiple balloons and method for angiogenesis |
WO2008071367A1 (en) * | 2006-12-10 | 2008-06-19 | Philipps-Universität Marburg | Method and device for fixing and/or manipulating tissue |
US8801665B2 (en) | 2008-04-10 | 2014-08-12 | Henry Ford Health System | Apparatus and method for controlled depth of injection into myocardial tissue |
US8486022B2 (en) | 2008-07-03 | 2013-07-16 | Abbott Cardiovascular Systems Inc. | Needle catheter with an angled distal tip lumen |
WO2010002604A1 (en) * | 2008-07-03 | 2010-01-07 | Abbott Cardiovascular Systems Inc. | Needle catheter with an angled distal tip lumen |
US9393023B2 (en) | 2009-01-13 | 2016-07-19 | Atricure, Inc. | Apparatus and methods for deploying a clip to occlude an anatomical structure |
US10433854B2 (en) | 2010-10-27 | 2019-10-08 | Atricure, Inc. | Appendage clamp deployment assist device |
US11883035B2 (en) | 2010-10-27 | 2024-01-30 | Atricure, Inc. | Appendage clamp deployment assist device |
US10182824B2 (en) | 2010-11-11 | 2019-01-22 | Atricure, Inc. | Clip applicator |
CN107981929A (en) * | 2017-12-20 | 2018-05-04 | 北京云峰智联医疗科技开发有限公司 | Myocardial ablation device |
WO2024039402A1 (en) * | 2022-08-18 | 2024-02-22 | Bard Peripheral Vascular, Inc. | Curved fire-forward needle for puncturing and traversing vasculature |
Also Published As
Publication number | Publication date |
---|---|
JP2001516612A (en) | 2001-10-02 |
AU9494498A (en) | 1999-04-05 |
US5972013A (en) | 1999-10-26 |
EP1014871A4 (en) | 2007-05-02 |
EP1014871A1 (en) | 2000-07-05 |
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